Second Lt. Alexandra Rea, the 490th Missile Squadron combat crew deputy director, left, and 1st Lt. Elizabeth Guidara, the 12th Missile Squadron combat crew deputy director, perform training at the Malmstrom Air Force Base, Mont., missile procedures trainer March 21, 2016. In honor of Women’s History Month, 90 female missileers based out of Minot Air Force Base, N.D., F.E. Warren AFB, Wyo., and Malmstrom AFB completed a 24-hour alert. In addition, B-52 Stratofortress aircrews from Minot AFB and Barksdale AFB, La., participated by fielding all-female flight crews. (U.S. Air Force photo/Airman Collin Schmidt)